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   <div id="projectbrief">Arduino Library for Si47XX Devices - By Ricardo Lima Caratti</div>
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<div class="header">
  <div class="summary">
<a href="#func-members">Functions</a>  </div>
  <div class="headertitle"><div class="title">FM Mono Stereo audio setup</div></div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gac598865516ca09db7dbfa6a84da7f179"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gac598865516ca09db7dbfa6a84da7f179">SI4735::setFmBlendStereoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:gac598865516ca09db7dbfa6a84da7f179"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets RSSI threshold for stereo blend (Full stereo above threshold, blend below threshold).  <br /></td></tr>
<tr class="separator:gac598865516ca09db7dbfa6a84da7f179"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gadf4c5ec4473fd8486dd2ec7a19a10d24"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gadf4c5ec4473fd8486dd2ec7a19a10d24">SI4735::setFmBlendMonoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:gadf4c5ec4473fd8486dd2ec7a19a10d24"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets RSSI threshold for mono blend (Full mono below threshold, blend above threshold).  <br /></td></tr>
<tr class="separator:gadf4c5ec4473fd8486dd2ec7a19a10d24"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab063630466dccea3becc11d60d122904"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gab063630466dccea3becc11d60d122904">SI4735::setFmBlendRssiStereoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:gab063630466dccea3becc11d60d122904"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets RSSI threshold for stereo blend. (Full stereo above threshold, blend below threshold.)  <br /></td></tr>
<tr class="separator:gab063630466dccea3becc11d60d122904"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1b134a94138b3bf993a5d3eb5f8ed5c6"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#ga1b134a94138b3bf993a5d3eb5f8ed5c6">SI4735::setFmBLendRssiMonoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:ga1b134a94138b3bf993a5d3eb5f8ed5c6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets RSSI threshold for mono blend (Full mono below threshold, blend above threshold).  <br /></td></tr>
<tr class="separator:ga1b134a94138b3bf993a5d3eb5f8ed5c6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga1d1a5eed976370d99827ba55d08b9293"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#ga1d1a5eed976370d99827ba55d08b9293">SI4735::setFmBlendSnrStereoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:ga1d1a5eed976370d99827ba55d08b9293"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets SNR threshold for stereo blend (Full stereo above threshold, blend below threshold).  <br /></td></tr>
<tr class="separator:ga1d1a5eed976370d99827ba55d08b9293"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae2c30536e59f6691d990a2b9cf21f07e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gae2c30536e59f6691d990a2b9cf21f07e">SI4735::setFmBLendSnrMonoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:gae2c30536e59f6691d990a2b9cf21f07e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets SNR threshold for mono blend (Full mono below threshold, blend above threshold).  <br /></td></tr>
<tr class="separator:gae2c30536e59f6691d990a2b9cf21f07e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga0ed776a193fb2fcff783d4a82ff714e5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#ga0ed776a193fb2fcff783d4a82ff714e5">SI4735::setFmBlendMultiPathStereoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:ga0ed776a193fb2fcff783d4a82ff714e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets multipath threshold for stereo blend (Full stereo below threshold, blend above threshold).  <br /></td></tr>
<tr class="separator:ga0ed776a193fb2fcff783d4a82ff714e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gacc9fd27b38f49f167facfcc4f6216c5e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gacc9fd27b38f49f167facfcc4f6216c5e">SI4735::setFmBlendMultiPathMonoThreshold</a> (uint8_t parameter)</td></tr>
<tr class="memdesc:gacc9fd27b38f49f167facfcc4f6216c5e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets Multipath threshold for mono blend (Full mono above threshold, blend below threshold).  <br /></td></tr>
<tr class="separator:gacc9fd27b38f49f167facfcc4f6216c5e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga59ce1008944ff9a51b6c5baeb3a3e2cb"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#ga59ce1008944ff9a51b6c5baeb3a3e2cb">SI4735::setFmStereoOff</a> ()</td></tr>
<tr class="memdesc:ga59ce1008944ff9a51b6c5baeb3a3e2cb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Turn Off Stereo operation.  <br /></td></tr>
<tr class="separator:ga59ce1008944ff9a51b6c5baeb3a3e2cb"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga52c7b7b1f0ed9121b0e64516b2bd2a55"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#ga52c7b7b1f0ed9121b0e64516b2bd2a55">SI4735::setFmStereoOn</a> ()</td></tr>
<tr class="memdesc:ga52c7b7b1f0ed9121b0e64516b2bd2a55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Turn Off Stereo operation.  <br /></td></tr>
<tr class="separator:ga52c7b7b1f0ed9121b0e64516b2bd2a55"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gae4683e9a9fc7a633305b18dae54fbd83"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group12.html#gae4683e9a9fc7a633305b18dae54fbd83">SI4735::disableFmDebug</a> ()</td></tr>
<tr class="memdesc:gae4683e9a9fc7a633305b18dae54fbd83"><td class="mdescLeft">&#160;</td><td class="mdescRight">There is a debug feature that remains active in Si4704/05/3x-D60 firmware which can create periodic noise in audio.  <br /></td></tr>
<tr class="separator:gae4683e9a9fc7a633305b18dae54fbd83"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Function Documentation</h2>
<a id="gac598865516ca09db7dbfa6a84da7f179" name="gac598865516ca09db7dbfa6a84da7f179"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gac598865516ca09db7dbfa6a84da7f179">&#9670;&#160;</a></span>setFmBlendStereoThreshold()</h2>

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        <tr>
          <td class="memname">void SI4735::setFmBlendStereoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Sets RSSI threshold for stereo blend (Full stereo above threshold, blend below threshold). </p>
<p>To force stereo, set this to 0. To force mono, set this to 127.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 90.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#gadf4c5ec4473fd8486dd2ec7a19a10d24">&#9670;&#160;</a></span>setFmBlendMonoThreshold()</h2>

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        <tr>
          <td class="memname">void SI4735::setFmBlendMonoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Sets RSSI threshold for mono blend (Full mono below threshold, blend above threshold). </p>
<p>To force stereo set this to 0. To force mono set this to 127. Default value is 30 dBμV.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 56.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#gab063630466dccea3becc11d60d122904">&#9670;&#160;</a></span>setFmBlendRssiStereoThreshold()</h2>

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          <td class="memname">void SI4735::setFmBlendRssiStereoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Sets RSSI threshold for stereo blend. (Full stereo above threshold, blend below threshold.) </p>
<p>To force stereo, set this to 0. To force mono, set this to 127. Default value is 49 dBμV.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 59.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1b134a94138b3bf993a5d3eb5f8ed5c6">&#9670;&#160;</a></span>setFmBLendRssiMonoThreshold()</h2>

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        <tr>
          <td class="memname">void SI4735::setFmBLendRssiMonoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Sets RSSI threshold for mono blend (Full mono below threshold, blend above threshold). </p>
<p>To force stereo, set this to 0. To force mono, set this to 127. Default value is 30 dBμV.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 59.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1d1a5eed976370d99827ba55d08b9293">&#9670;&#160;</a></span>setFmBlendSnrStereoThreshold()</h2>

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          <td class="memname">void SI4735::setFmBlendSnrStereoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Sets SNR threshold for stereo blend (Full stereo above threshold, blend below threshold). </p>
<p>To force stereo, set this to 0. To force mono, set this to 127. Default value is 27 dB.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 59.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#gae2c30536e59f6691d990a2b9cf21f07e">&#9670;&#160;</a></span>setFmBLendSnrMonoThreshold()</h2>

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        <tr>
          <td class="memname">void SI4735::setFmBLendSnrMonoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
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<p>Sets SNR threshold for mono blend (Full mono below threshold, blend above threshold). </p>
<p>To force stereo, set this to 0. To force mono, set this to 127. Default value is 14 dB.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 59.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 127 </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ga0ed776a193fb2fcff783d4a82ff714e5">&#9670;&#160;</a></span>setFmBlendMultiPathStereoThreshold()</h2>

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          <td class="memname">void SI4735::setFmBlendMultiPathStereoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
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      </table>
</div><div class="memdoc">

<p>Sets multipath threshold for stereo blend (Full stereo below threshold, blend above threshold). </p>
<p>To force stereo, set this to 100. To force mono, set this to 0. Default value is 20.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 60.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 100 </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#gacc9fd27b38f49f167facfcc4f6216c5e">&#9670;&#160;</a></span>setFmBlendMultiPathMonoThreshold()</h2>

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          <td class="memname">void SI4735::setFmBlendMultiPathMonoThreshold </td>
          <td>(</td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>parameter</em></td><td>)</td>
          <td></td>
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      </table>
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<p>Sets Multipath threshold for mono blend (Full mono above threshold, blend below threshold). </p>
<p>To force stereo, set to 100. To force mono, set to 0. The default is 60.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 60.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">parameter</td><td>valid values: 0 to 100 </td></tr>
  </table>
  </dd>
</dl>

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<h2 class="memtitle"><span class="permalink"><a href="#ga59ce1008944ff9a51b6c5baeb3a3e2cb">&#9670;&#160;</a></span>setFmStereoOff()</h2>

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          <td class="memname">void SI4735::setFmStereoOff </td>
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          <td class="paramname"></td><td>)</td>
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<p>Turn Off Stereo operation. </p>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000003">Todo:</a></b></dt><dd></dd></dl>
<p>TO DO</p>

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<h2 class="memtitle"><span class="permalink"><a href="#ga52c7b7b1f0ed9121b0e64516b2bd2a55">&#9670;&#160;</a></span>setFmStereoOn()</h2>

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          <td class="memname">void SI4735::setFmStereoOn </td>
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<p>Turn Off Stereo operation. </p>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000004">Todo:</a></b></dt><dd></dd></dl>
<p>TO DO</p>

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<h2 class="memtitle"><span class="permalink"><a href="#gae4683e9a9fc7a633305b18dae54fbd83">&#9670;&#160;</a></span>disableFmDebug()</h2>

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<p>There is a debug feature that remains active in Si4704/05/3x-D60 firmware which can create periodic noise in audio. </p>
<p>Silicon Labs recommends you disable this feature by sending the following bytes (shown here in hexadecimal form): 0x12 0x00 0xFF 0x00 0x00 0x00.</p>
<dl class="section see"><dt>See also</dt><dd>Si47XX PROGRAMMING GUIDE; AN332 (REV 1.0); page 299. </dd></dl>

<p class="reference">Referenced by <a class="el" href="group__group08.html#gacd89e7b8adefcbc4e89f802acb915906">SI4735::setFM()</a>.</p>

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